<nav class="navbar navbar-default" role="navigation">
    <div class="container-fluid">
        <div class="navbar-header">
            <a class="navbar-brand">Fish</a>
        </div>
        <div>
            <ul class="nav navbar-nav">
                <li><a routerLink="user">User</a></li>
                <li><a routerLink="panels">Panels</a></li>
            </ul>
        </div>
    </div>
</nav>
<!-- main content -->
<div class="container main-container">
    <router-outlet></router-outlet>
</div>